> Markdown version of [/jobs/ext/2771644-database-engineer-level-3-with-active-ts-sci-clearance-and-full-scope-polygraph](https://www.wearedevelopers.com/jobs/ext/2771644-database-engineer-level-3-with-active-ts-sci-clearance-and-full-scope-polygraph). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Database Engineer Level 3 (With active TS/SCI Clearance and Full Scope Polygraph)

- **Company:** J&T Business Consulting
- **Location:** Annapolis, MD, United States
- **Experience:** Expert
- **Salary:** $153,000.0 - $184,000.0
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Cloud Storage, Program Optimization, Databases, Extract Transform Load (ETL), Database Design, Database Storage Structures, Oracle Data Guard, Software Debugging, Linux, Computer Data Storage, MongoDB, NoSQL, Open Database Connectivity, Object-Oriented Software Development, Operational Databases, Oracle Databases, Oracle SQL Developer, Parsing, Performance Tuning, PL-SQL, Data Streaming, Systems Architecture, Data Processing, Scripting, Macros, Oracle Enterprise Manager, Cloud Integration
- **Published:** September 7, 2026
- **Apply:** https://www.careerjet.com/job/us17a1e7ea0ea0da5f499a21e3e82b31f9/eaa

## About the Role

Clearance: Active TS/SCI with Polygraph.
Experience: Minimum of ten (10) years of experience as a Database Engineer on programs and contracts of similar scope, type, and complexity.
Education: Bachelor's degree in a technical discipline from an accredited college or university. (Five (5) additional years of relevant DBE experience may be substituted for the degree).
Database Administration: Extensive, hands-on experience with installation, maintenance, and patching for Oracle Database, Oracle Enterprise Manager (OEM), and Oracle Data Guard.
Operating Systems & Scripting: Strong proficiency with Linux OS environments, standard Linux utilities/commands, and Bash scripting.
Desired Skills
Experience with MongoDB or similar NoSQL database platforms.

## Description

The Database Engineer (Level 3) provides high-level technical expertise across database design, development, implementation, information storage/retrieval, data flow, and analysis. This role is responsible for architecting relational and object-oriented databases, building custom parser and data loading software, and mapping long-range database administration requirements.
Working primarily from initial lifecycle requirements through system acceptance testing and Initial Operational Capability (IOC), you will design robust database structures tailored to overall system architecture. Key responsibilities include balancing critical technical trade-offs-such as data volume, user concurrency, physical/logical distribution, query latency, retention policies, security, and domain controls., Architecture & Design: Direct and lead the development of database structures, schemas, parser tools, and loading software aligned with overall enterprise architecture.
Full Lifecycle Engineering: Manage technical requirements from project inception through testing and IOC, providing strategic recommendations for system optimization, development, and maintenance.
Query & Data Manipulation: Translate complex requirements into functional database schemas by building, refining, and automating ad hoc queries, scripts, and macros.
Cloud & Integration: Build complex, modern systems leveraging tables, Open Database Connectivity (ODBC), and cloud-based storage/retrieval methodologies.
Trade-Off Analysis: Evaluate and balance competing technical demands involving scale, access controls, performance tuning, physical distribution, and system security., RESPONSIBILITIES Develop, maintain, troubleshoot, and optimize complex Oracle SQL and PL/SQL solutions. Debug production database, application-processing, and data issues. Mai…

 + 18 days ago


## Related Videos

- [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [Crafting Custom Frameworks with Rust: A Deep Dive into Procedural Macros](https://www.wearedevelopers.com/videos/849-crafting-custom-frameworks-with-rust-a-deep-dive-into-procedural-macros)
- [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one)
- [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt)
- [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)
- [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)